Plot the point given in polar coordinates.(4, 225°)
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Use the given triangles to evaluate the expression. Rationalize all denominators. 
tan 
- sin 
A. 
B. - 
C. 
D. - 
Mathematics
Solve the problem using a basic geometric formula. Use the formula A = lw to find the area of the rectangle.
A. 10x15 B. 10x8 C. 21x15 D. 21x8
Mathematics
Factor the polynomial completely. If the polynomial cannot be factored, say it is prime.-w2 + 14w - 48
A. (-w + 8)(w + 6) B. -(w - 8)(w - 6) C. -(w + 8)(w + 6) D. Prime
Mathematics
Write a formula for the general term (the nth term) of the geometric sequence.-3, -9, -27, -81, -243, . . .
A. an = -3(3n) B. an = a1 + 3n C. an = -3(3)n - 1 D. an = -3(3)n
Mathematics